<template>
    <div>
      <!--面包屑导航区域-->
      <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>商品管理</el-breadcrumb-item>
        <el-breadcrumb-item>商品列表</el-breadcrumb-item>
      </el-breadcrumb>
      <!--卡片视图区域-->
      <el-card>
        <el-row :gutter="20">
          <el-col :span="8">
            <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
              <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
            </el-input>
          </el-col>
          <el-col :span="4">
            <el-button type="primary" @click="goAddpage">添加商品</el-button>
          </el-col>
        </el-row>
        <!--table表格区域-->
        <el-table :data="goodsList" border stripe>
          <el-table-column type="index"></el-table-column>
          <el-table-column label="商品名称" prop="goods_name"></el-table-column>
          <el-table-column label="商品价格（元）" prop="goods_price" width="95px"></el-table-column>
          <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
          <el-table-column label="创建时间" prop="add_time" width="140px">
            <template slot-scope="scope">
              {{scope.row.add_time | dateFormat}}
            </template>
          </el-table-column>
          <el-table-column label="操作" width="130px">
            <template slot-scope="scope">
              <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
              <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
            </template>
          </el-table-column>
        </el-table>
        <!--分页区域-->
        <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="queryInfo.pagenum"
          :page-sizes="[5, 10, 15, 20]"
          :page-size="queryInfo.pagesize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total"
          background>
        </el-pagination>
      </el-card>
    </div>
</template>

<script>
  import request from 'api/request'
  export default {
    name: 'List',
    data() {
      return {
        // 查询参数对象
        queryInfo: {
          query: '',
          pagenum: 1,
          pagesize: 10
        },
        // 商品列表
        goodsList: [],
        total: 0
      }
    },
    created() {
      this.getGoodsList()
    },
    methods: {
      // 根据分页获取对应的商品列表
      async getGoodsList() {
        const {data: res} = await request('goods', this.queryInfo)
        if (res.meta.status !== 200) {
          return this.$message.error('获取商品列表失败！')
        }
        this.$message.success('获取商品列表成功！')
        this.goodsList = res.data.goods
        this.total = res.data.total
      },
      handleSizeChange(newSize) {
        this.queryInfo.pagesize = newSize
        this.getGoodsList()
      },
      handleCurrentChange(newPage) {
        this.queryInfo.pagenum = newPage
        this.getGoodsList()
      },
      async removeById(id) {
        const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err)
        if(confirmResult !== 'confirm'){
          return this.$message.info('取消删除！')
        }
        const {data:res} = await request(`goods/${id}`,{},'delete')
        if(res.meta.status !== 200) {
          return this.$message.error('删除失败')
        }
        this.$message.success('删除成功')
        this.getGoodsList()
      },
      goAddpage () {
        this.$router.push('/goods/add')
      }
    }
  }
</script>

<style scoped>

</style>
